#A73F1F#A73F1F

#A73F1F is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.7% C 0.144 H 37.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#A73F1F
RGB	rgb(167, 63, 31)
HSL	hsl(14, 69%, 39%)
HSV	hsv(14, 81%, 65%)
CMYK	cmyk(0%, 62.3%, 81.4%, 34.5%)
CIE-LAB	lab(41.01, 41.19, 40.40)
CIE-LCH	lch(41.01, 57.70, 44.44°)
OKLab	oklab(50.71% 0.1151 0.0871)
OKLCH	oklch(50.71% 0.144 37.1)
XYZ	xyz(17.9632, 11.8720, 2.6417)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73F1F #1F87A7

analogous

#A71F43 #A73F1F #A7831F

triadic

#A73F1F #1FA73F #3F1FA7

tetradic

#A73F1F #43A71F #1F87A7 #831FA7

square

#A73F1F #43A71F #1F87A7 #831FA7

split-complementary

#A73F1F #1FA783 #1F43A7

monochromatic

#40180C #732C15 #A73F1F #D8542B #E17E5F

Accessibility & contrast

On white

6.22

#A73F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A73F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73F1F

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73F1F	#FFFFFF	#000000	##FFFFFF
##A73F1F	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D521A

Deuteranopia (green-blind)

#76691B

Tritanopia (blue-blind)

#B82439

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a73f1f;
/* rgb */ color: rgb(167, 63, 31);
/* oklch */ color: oklch(50.7% 0.144 37.1);

Tailwind

colors: {
  custom: {
    50: '#c9785d',
    500: '#a73f1f',
    950: '#000000',
  },
}

SCSS

$custom: #a73f1f;
$custom-light: #c9785d;
$custom-dark: #000000;

JSON

{
  "hex": "#a73f1f",
  "rgb": {
    "r": 167,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 14.118,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50708,
    "c": 0.14435,
    "h": 37.1
  },
  "luminance": 0.11869
}

Semantic roles & 50–950 ramp

primary

#A73F1F

secondary

#5CADC6

accent

#C2EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A73F1F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →